- Implement dynamic styles and event handling in Vue2 with a card component. - Create lifecycle methods exercise to simulate async data loading and instance destruction. - Develop a component communication exercise with props, events, and slots. - Build a comprehensive course management dashboard with filtering, statistics, and component interactions.
31 lines
634 B
JavaScript
31 lines
634 B
JavaScript
new Vue({
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el: "#app",
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data: {
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keyword: "",
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courses: [
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{ id: 1, title: "Vue 实例入门" },
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{ id: 2, title: "Vue 指令系统" },
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{ id: 3, title: "组件通信实战" },
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],
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},
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computed: {
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filteredCourses() {
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const value = this.keyword.trim().toLowerCase();
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if (!value) {
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return this.courses;
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}
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return this.courses.filter((item) => item.title.toLowerCase().includes(value));
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},
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matchedCount() {
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return this.filteredCourses.length;
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},
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},
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watch: {
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keyword(newValue) {
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console.log("关键字变化:", newValue);
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},
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},
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});
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